bundle && HEROKU_API_KEY=your_api_key HEROKU_APP_NAME=your_app_name bundle exec rake spec
gem build heroku-resque-workers-scaler.gemspec 
git tag -a v0.1.6 -m 'version 0.1.6'
git push --tags
gem push heroku-resque-workers-scaler-0.1.6.gem 
git push origin master